Blow Off Valves

Quiet and OEM-like operation! A full recirculating BOV, ideal for WRX & STI enthusiasts who don't want to be noticed. Easy to install and set u...

When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensur...

When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensur...

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Significant flow and an even...

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Significant flow and an even...

When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensur...

Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique, variable ex...

Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique, variable ex...

Nissan Skyline R32 GT-R RB26DETT 1988-1994 (Requires 2 kits); Nissan Skyline R33 GT-R RB26DETT 1993-1998 (Requires 2 kits); Nissan Skyline R34 GT-R...

Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and full perfor...

Easy to install and set up, the Turbosmart Dual Port BOV to suit Subaru features sequential ports for quiet operation on mild boost and full perfor...

When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensur...

When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensur...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want t...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want t...

Our latest Kompact SmartPort explicitly made for the 2015 WRX, features the innovative new Smart Port drive-by-wire friendly staging technology tha...

A direct-fit high-performance replacement for the factory plastic unit, the Turbosmart Kompact BOV suits the new generation Honda VTEC Turbo engine...